NWS4LIGHT

Nanowires for solid state lighting

 Coordinatore LUNDS UNIVERSITET 

 Organization address address: Paradisgatan 5c
city: LUND
postcode: 22100

contact info
Titolo: Ms.
Nome: Monica
Cognome: Pålsson
Email: send email
Telefono: +46 46 222 7678
Fax: +46 46 222 3637

 Nazionalità Coordinatore Sweden [SE]
 Sito del progetto http://www.ftf.lth.se/research/links_to_some_projects/nws4light/
 Totale costo 5˙346˙577 €
 EC contributo 3˙160˙400 €
 Programma FP7-NMP
Specific Programme "Cooperation": Nanosciences, Nanotechnologies, Materials and new Production Technologies
 Code Call FP7-NMP-2011-SMALL-5
 Funding Scheme CP-FP
 Anno di inizio 2012
 Periodo (anno-mese-giorno) 2012-06-01   -   2015-05-31

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    LUNDS UNIVERSITET

 Organization address address: Paradisgatan 5c
city: LUND
postcode: 22100

contact info
Titolo: Ms.
Nome: Monica
Cognome: Pålsson
Email: send email
Telefono: +46 46 222 7678
Fax: +46 46 222 3637

SE (LUND) coordinator 1˙163˙020.00
2    GLO AB

 Organization address address: SCHEELEVAGEN 17
city: Lund
postcode: 22370

contact info
Titolo: Ms.
Nome: Marie
Cognome: Svensson
Email: send email
Telefono: 46462864864

SE (Lund) participant 805˙000.00
3    DANMARKS TEKNISKE UNIVERSITET

 Organization address address: Anker Engelundsvej 1, Building 101A
city: KONGENS LYNGBY
postcode: 2800

contact info
Titolo: Mrs.
Nome: Anne Linda
Cognome: Bisp
Email: send email
Telefono: +45 45 25 90 04

DK (KONGENS LYNGBY) participant 395˙460.00
4    FORSCHUNGSZENTRUM JUELICH GMBH

 Organization address address: Leo-Brandt-Strasse
city: JUELICH
postcode: 52425

contact info
Nome: Volker
Cognome: Marx
Email: send email
Telefono: 492462000000
Fax: +49 2461 612118

DE (JUELICH) participant 385˙860.00
5    STIFTUNG DEUTSCHES ELEKTRONEN-SYNCHROTRON DESY

 Organization address address: NOTKESTRASSE 85
city: HAMBURG
postcode: 22607

contact info
Titolo: Dr.
Nome: Ute
Cognome: Krell
Email: send email
Telefono: +49 40 8998 4508
Fax: +49 40 8994 4508

DE (HAMBURG) participant 257˙000.00
6 KOBENHAVNS UNIVERSITET DK participant 154˙060.00
7    GLO-USA INC LLC

 Organization address address: BORDEAUX DRIVE 1225
city: SUNNYVALE CA
postcode: 94089

contact info
Nome: Anie
Cognome: Roche
Email: send email
Telefono: 14085984400

US (SUNNYVALE CA) participant 0.00

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

safety    leds    white    green    suggested    efficiency    light    materials    yellow    emitting    nitride    nws    emission    gt    emitters    realize    red    phosphor    blue    quantum    nw    led   

 Obiettivo del progetto (Objective)

'The suggested project aims at developing a nanowire (NW) technology applied to III-nitride and III-V materials to improve the present Solid State Lighting (SSL) solutions. Present white light emitting diode (LED) emitters are based on thin film III-nitride technology, and a combination of violet-blue LEDs and suitable phosphor coatings has yielded a light emission efficacy of > 100 lm/W with an operating lifetime > 50000 hrs in commercial white LEDs. The color rendering is generally unsatisfactory, however, and the cost is so far prohibitive for general market penetration. Our NW approach is based on combining three (blue-green-red) or four (blue-green-yellow-red) single NW LEDs into one white LED package, thereby avoiding the loss in the phosphor downconversion process. Using NW LEDs we also expect to increase the radiative efficiency due to a drastic reduction of the defect density in the active quantum well (QW) regions of the LEDs, and also improve the extraction efficiency of the emitted light. Our suggested employment of large size silicon or sapphire wafers as substrates is predicted to reduce the future fabrication cost by at least a factor 3. To increase the efficiency of white emitters it is necessary to drastically improve the LEDs emitting in the green-yellow part of the spectrum. We suggest to reach the green LED range by the ability to increase the In composition in the radial QWs of the presently grown nitride NW LEDs, and by using AlGaInP materials. The latter material system will also be explored for yellow and red NW LED emission. To realize yellow-red emission quantum dot media will also be employed, either by the SK growth mechanism on the m-plane facets of the NWs, or by separate application of InP/ZnS core-shell dots with red emission. To realize this work a consortium of five partners is suggested, comprising excellent expertise in growth of NWs and in sophisticated studies of structural, electronic and optical properties of the NWs, and also processing into efficient LED structures having long life-times. The safety issues in the growth and handling of NWs are secured in collaboration with the Nano-Safety project at ULUND. The materials used are favorable from the environmental point of view.'

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